Model mine-scale geomechanics without writing a single script.
IMAT is ITASCA’s Mining Analysis Toolbox – powered by FLAC3D – built for geotechnical engineers to model open pit and underground operations. A modern, click-driven interface means faster answers on stability and seismic risk, no coding required.
IMAT
What’s new in the latest release of IMAT?
Open Pit Mining
Run open pit and underground analysis in the same IMAT model. Define stresses, topography, pit shells, and water table with guided dialogs, then use octree meshing to get Factor of Safety and displacement results in minutes.
Field Data
Link IMAT directly to mine measurements with Site Data Link. Import instrumentation, pore pressures, and seismic records and compare model response to field behavior in a single 3D view.
MORE DETAILS
More To Explore
Work faster with improved imports, cleaner geometry editing, and cleaner borehole views. A timeline controller and enhanced plotting make staged mining reviews, calibration, and sensitibity studies quicker and easier.
What is IMAT?
IMAT (Itasca Mining Analysis Toolbox) is a geomechanical modeling environment built specifically for mining, powered by the FLAC3D explicit solver. It replaces scripting-heavy workflows with guided, point-and-click tools so your team can build mine-scale models in hours instead of weeks.
You import block models, drillholes, and seismic records directly into IMAT, manage material properties and in-situ stresses through dialogs, and run staged excavations and dynamic analyses from a single mining-native interface. When you need deeper customization, you can always move your model into FLAC3D while keeping the same core engine and assumptions.
What You Can Achieve with IMAT
Build and solve mine-scale geomechanical and seismic models faster, with workflows aligned to how mines actually operate.
Build mine-scale models without scripting
Before: Geotechnical teams lose days writing and debugging scripts just to get a FLAC3D model meshed, populated with rock domains, and ready for a first run.
After with IMAT: Use automatic octree meshing, point-and-click geometry tools, and dialogs with meaningful defaults to set up material domains, in-situ stresses, and boundary conditions in a guided flow.
Result: Move from concept to a calibrated mine-scale model in hours, so you can test more scenarios before designs are locked in.
Simulate staged excavations for open pit and underground
Before: Updating models for new benches, stopes, or sequences forces you to rebuild geometries or re-run complex Boolean operations.
After with IMAT: Quickly define open pit benches or underground stopes and production sequences with automatic mine-step handling, and watch stress redistribution and deformation evolve with each stage.
Result: Evaluate multiple mine plans and support strategies with clear visual feedback on risk before committing to production.
Integrate seismic data for risk-aware decisions (Seismic option)
Before: Seismic and microseismic data lives in separate tools and spreadsheets, making it hard to relate events to your geomechanical model.
After with IMAT Seismic: Upload CSV seismic data, visualize events in 3D on top of your model, and analyze locations, magnitudes, moment tensors, and trends over time with built-in charts and plots.
Result: Move from qualitative impressions to quantitative, model-driven seismic risk assessments that support operational decisions.
Why Choose IMAT?
IMAT gives you mine-scale FLAC3D power in a mining-native, click-driven environment—without requiring your team to be scripting experts.
Fast, UI-driven model construction
UI-driven model building, automatic octree meshing, and mine-specific workflows compress model setup time from days or weeks to minutes or hours.
Powered by the FLAC3D engine
IMAT is powered by the FLAC3D numerical solver, with Dynamics, Creep, Thermal, and UDM options included, so you maintain the same trusted physics and performance Itasca is known for.
Mining-native workflows
Workflows are designed for staged excavations, block model integration, and seismic analysis, so you stop forcing generic numerical tools to behave like mining software.
Built-in Data Integration and Visualization
Connect to site instrumentation using Site Data Link, import MINEDW pore pressures, and visualize stresses, seismicity, and model results in 3D with high-resolution plotting tools.
IMAT Mining Solutions
Explore IMAT in action as it tackles diverse mining challenges with precision and innovation. Discover how our solutions empower mining industries to achieve efficient, reliable outcomes in real-world applications.
Nodal planes.
Modeled mine with seismic data.
A stereonet plot of seismicity can indicate the orientation of principal stress.
Stress directions.
Built for Mining Professionals
IMAT is designed for the people who live in mine plans, instrumentation data, and geology models—not generic CAE users.
Who it’s for:
- Geotechnical Engineers and Geomechanics Consultants
- Build and run daily models for open pit and underground operations, test support strategies, and assess stability without scripting.
- Build and run daily models for open pit and underground operations, test support strategies, and assess stability without scripting.
- Seismic and Geophysics Specialists
- With Seismic option, Integrate field seismic data, run dynamic analyses, and interpret event clusters and b-values in context of the mine model.
- With Seismic option, Integrate field seismic data, run dynamic analyses, and interpret event clusters and b-values in context of the mine model.
- Mine Planning Engineers
- Use IMAT outputs to sequence the mine with clearer visibility into stress changes, deformation, and seismic risk around planned excavations.
- Use IMAT outputs to sequence the mine with clearer visibility into stress changes, deformation, and seismic risk around planned excavations.
- Mine Managers and Technical Leaders
- Rely on faster, more consistent analyses that reduce operational delays, improve safety margins, and make better use of high-value experts’ time.
What Makes IMAT Different
Compared to MAP3D’s single‑method stress analysis, IMAT provides a comprehensive platform combining practical mining tools with robust, multiphysics geomechanical modeling.
| Feature | IMAT (Powered by FLAC3D) | Map3D |
|---|---|---|
| Core Engine | Finite Volume / Finite Difference (FDM) that solves on a 3D grid (mesh) | Boundary Element Method (BEM) that solves surface inegrals; treats rock mass as infinite. |
| Primary Focus | Complex rock-mass behavior, seismic calibration, mine-planning decisions. | Rapid mine-wide stress analysis and fault-slip assessment. |
| Model Build Time | Fast (minutes–hours). Octree meshing automates grid generation from CAD; can import FLAC3D grids via Griddle. | Very fast (minutes). Only excavation surfaces need meshing. |
| Ease of Use | High. Modern point-and-click UI for mining engineers (no scripting). | Moderate. Specialized CAD-like UI with steeper learning curve. |
| Site Monitoring Data | Superior. Dedicated Seismic Analysis module with rich event visualizations and charts for analyses. | Good. “Integrated Seismicity” to superimpose loading and see event density. |
IMAT Add-on Options
Expand your IMAT software capabilities with our range of add-on options, designed to tackle diverse engineering challenges effectively. Explore our selection of options to customize your IMAT experience.
Seismic
Enhance simulations with dynamic analysis for earthquake engineering, soil liquefaction, and more. Includes robust boundary conditions and fast model run times.
- Upload your seismic data directly into IMAT
- Visualize locations, magnitudes, and the evolution of seismicity through time and space
- Visualize seismic event moment tensors
- Many different chart-based analyses including T-k Hudson plots and Gutenberg-Richter type b-value plots
- Compare seismicity produced by numerical model with actual imported seismicity
$400 / month or $2000 / year
Site Data Link
Import and visualize in-ground monitoring field data to better understand what is happening around the mine.
- Monitor ground movements such as tilt
- Monitor pore pressure
- Track cave propagation
- Monitor ore flow
- Contact ITASCA sales for the most up-to-date partner list
$400 / month or $2000 / year
IMASS
(ITASCA Model for Advanced Strain Softening)
IMASS is an advanced strain-softening model for mining applications, simulating rock mass behavior from intact to bulked conditions with precision and realism.
- Models the nonlinear, anisotropic behavior of rock masses
- Captures the degradation of rock mass strength and stiffness
- Based on Hoek-Brown failure criterion
- Includes two-mode softening of yield surfaces
$800 / month or $9600 / year
Selected by World-Class Organizations
Hear from Satisfied Users
Software Support and Education Hub
We’re here to help you maximize the potential of ITASCA software and tackle any geotechnical challenge with confidence. Explore the sections below to get started.
Common Questions from Teams like Yours
IMAT replaces most scripting with guided, UI-driven workflows, defaults, and how-to videos so geotechnical engineers can build useful models quickly—even if they’re new to FLAC3D.
IMAT accelerates model building and analysis for mine-scale problems while staying fully compatible with FLAC3D, so you keep the same engine and can still drop into scripting when needed. Plus add IMAT offers microseismic capabilities that allow for more accurate field data representation.
IMAT is built for mining data: import block models, drillholes, seismic CSVs, MINEDW pore pressures, and instrumentation through Site Data Link, then manage everything in one environment.
Many practical mine-scale models run on well-configured 64-bit Windows workstations; you can scale up hardware or clusters only when model size and resolution demand it.
No—an IMAT license includes a FLAC3D numerical engine plus access to advanced options: Dynamic analysis, Thermal‑mechanical coupling, Creep and time‑dependent models, User‑defined constitutive modeling via C++.
From everyday mining tasks to advanced multiphysics modeling—IMAT delivers it all.
Ready for the Next Steps?
Explore our IMAT licensing options & pricing plans
Find the Right Solution for your Modeling Challenge
If you’re exploring the best solution for your project, you can find the right software, talk with an expert, request a tailored quote, or download a free demo to try IMAT firsthand.